<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Grid布局</title>
    <link rel="stylesheet" href="grid.css">
</head>
<body>
    <div class="box">
        <div style="background: antiquewhite">1</div>
        <div style="background: aqua">2</div>
        <div style="background: fuchsia">3</div>
        <div style="background: saddlebrown">4</div>
        <div style="background: salmon">5</div>
        <div style="background: slateblue">6</div>
    </div>
    <div class="container">
        <div class="header" style="background: antiquewhite">HEADER</div>
        <div class="menu" style="background: aqua">MENU</div>
        <div class="content" style="background: saddlebrown">CONTENT</div>
        <div class="footer" style="background: slateblue">FOOTER</div>
    </div>
</body>
</html>